/*
 * BEEM is a videoconference application on the Android Platform.
 * Copyright (C) 2009 by Frederic-Charles Barthelery,
 * Jean-Manuel Da Silva,
 * Nikita Kozlov,
 * Philippe Lago,
 * Jean Baptiste Vergely,
 * Vincent Veronis.
 * This file is part of BEEM.
 * BEEM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * BEEM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with BEEM. If not, see <http://www.gnu.org/licenses/>.
 * Please send bug reports with examples or suggestions to
 * contact@beem-project.com or http://dev.beem-project.com/
 * Epitech, hereby disclaims all copyright interest in the program "Beem"
 * written by Frederic-Charles Barthelery,
 * Jean-Manuel Da Silva,
 * Nikita Kozlov,
 * Philippe Lago,
 * Jean Baptiste Vergely,
 * Vincent Veronis.
 * Nicolas Sadirac, November 26, 2009
 * President of Epitech.
 * Flavien Astraud, November 26, 2009
 * Head of the EIP Laboratory.
 */

package com.beem.project.beem.smack.caps;

import org.jivesoftware.smack.packet.PacketExtension;

/**
 * This extension represents a capability of XEP-0115.
 */
public class CapsExtension implements PacketExtension {

	private String mVer;
	private String mHash;
	private String mNode;
	private String mExt;

	/**
	 * Create a CapsExtension.
	 * 
	 * @param hash
	 *            The value of the hash attribute.
	 * @param node
	 *            the value of the node attribute
	 * @param ver
	 *            the value of the ver attribute.
	 */
	public CapsExtension(final String hash, final String node, final String ver) {
		mHash = hash;
		mNode = node;
		mVer = ver;
	}

	/**
	 * Get the ver attribute value.
	 * 
	 * @return the value of the ver attribute.
	 */
	public String getVer() {
		return mVer;
	}

	/**
	 * Get the hash attribute value.
	 * 
	 * @return the value of the hash attribute.
	 */
	public String getHash() {
		return mHash;
	}

	/**
	 * Get the node attribute value.
	 * 
	 * @return the value of the node attribute.
	 */
	public String getNode() {
		return mNode;
	}

	/**
	 * Get the ext attribute value.
	 * 
	 * @return the value of the ext attribute.
	 */
	public String getExt() {
		return mExt;
	}

	/**
	 * Set the hash attribute.
	 * 
	 * @param hash
	 *            the value of hash
	 */
	public void setHash(String hash) {
		mHash = hash;
	}

	/**
	 * Set the ver attribute.
	 * 
	 * @param ver
	 *            the value of ver
	 */
	public void setVer(String ver) {
		mVer = ver;
	}

	/**
	 * Set the node attribute.
	 * 
	 * @param node
	 *            the value of node
	 */
	public void setNode(String node) {
		mNode = node;
	}

	/**
	 * Set the ext attribute.
	 * 
	 * @param ext
	 *            the value of ext
	 */
	public void setExt(String ext) {
		mExt = ext;
	}

	@Override
	public String getElementName() {
		return "c";
	}

	@Override
	public String getNamespace() {
		return "http://jabber.org/protocol/caps";
	}

	@Override
	public String toXML() {
		StringBuilder b = new StringBuilder("<");
		b.append(getElementName());
		b.append(" xmlns=\"").append(getNamespace()).append("\" ");
		if (mHash != null) {
			b.append("hash=\"").append(mHash).append("\" ");
		}
		if (mNode != null) b.append("node=\"").append(mNode).append("\" ");
		if (mVer != null) b.append("ver=\"").append(mVer).append("\" ");
		if (mExt != null) b.append("ext=\"").append(mExt).append("\" ");
		b.append("/>");
		return b.toString();
	}

}
